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838860768 = 25325695119
BaseRepresentation
bin110001111111111…
…111111111100000
32011110110112122100
4301333333333200
53204222021033
6215123410400
726534125134
oct6177777740
92143415570
10838860768
113a0573569
121b4b23a00
13104a3b025
147d5a33c4
154d9a1513
hex31ffffe0

838860768 has 72 divisors (see below), whose sum is σ = 2390169600. Its totient is φ = 279074304.

The previous prime is 838860721. The next prime is 838860769. The reversal of 838860768 is 867068838.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838860769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161313 + ... + 166431.

It is an arithmetic number, because the mean of its divisors is an integer number (33196800).

Almost surely, 2838860768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838860768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195084800).

838860768 is an abundant number, since it is smaller than the sum of its proper divisors (1551308832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838860768 is a wasteful number, since it uses less digits than its factorization.

838860768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 838860768 is about 28963.0932049738. The cubic root of 838860768 is about 943.1120516596.

The spelling of 838860768 in words is "eight hundred thirty-eight million, eight hundred sixty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 569 1138 1707 2276 3414 4552 5119 5121 6828 9104 10238 10242 13656 15357 18208 20476 20484 27312 30714 40952 40968 46071 54624 61428 81904 81936 92142 122856 163808 163872 184284 245712 368568 491424 737136 1474272 2912711 5825422 8738133 11650844 17476266 23301688 26214399 34952532 46603376 52428798 69905064 93206752 104857596 139810128 209715192 279620256 419430384 838860768